P

Inventor

COHEN DOUGLAS J

US7 patents
⚠️ This page may combine multiple inventors who share the name “COHEN DOUGLAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHIO CENTRAL STEEL COMPANY

5 patents
US6698594B2Mar 2, 2004

Screening machine

OHIO CENTRAL STEEL COMPANY41 citations91
US6000553ADec 14, 1999

Multiple screen system

OHIO CENTRAL STEEL COMPANY23 citations88
US7229041B2Jun 12, 2007

Lifting lid crusher

OHIO CENTRAL STEEL COMPANY13 citations72
US7121487B2Oct 17, 2006

Screening apparatus with hammermill

OHIO CENTRAL STEEL COMPANY8 citations72
US6669026B2Dec 30, 2003

Portable screening plant with displaceable eccentric

OHIO CENTRAL STEEL COMPANY6 citations58

SCREEN MACHINE IND INC

1 patent
US9186681B2Nov 17, 2015

Apparatus for sizing and separating particulate material

SCREEN MACHINE IND INC8 citations77

OHIO CENTRAL STEEL COMPANY AN

1 patent
US6401933B1Jun 11, 2002

Displaceable eccentric for vibratory screen

OHIO CENTRAL STEEL COMPANY AN10 citations65